:root{--green:#087966;--deep-green:#075a4e;--paper:#f7fbf6}*{box-sizing:border-box}html,body{min-height:100%}body{color:var(--deep-green);background:var(--paper);margin:0;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}button,input{font:inherit}.site-shell{background:url(/assets/background.png) 50%/cover no-repeat;min-height:100svh;position:relative;overflow:hidden}.brand{z-index:3;width:clamp(136px,17vw,190px);height:auto;position:absolute;top:clamp(18px,3.2vw,32px);left:clamp(20px,4vw,48px)}.home-topbar{z-index:4;position:absolute;top:28px;right:34px}.fullscreen-action{border:1px solid color-mix(in srgb, var(--green) 26%, white);min-width:86px;height:40px;color:var(--green);box-shadow:0 7px 20px color-mix(in srgb, var(--green) 13%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;background:#ffffffd1;border-radius:999px;justify-content:center;align-items:center;gap:7px;padding:0 14px;transition:transform .18s,box-shadow .18s,background .18s;display:inline-flex}.fullscreen-action span{font-size:19px;line-height:1}.fullscreen-action b{white-space:nowrap;font-size:12px;font-weight:600}.fullscreen-action:hover{box-shadow:0 10px 24px color-mix(in srgb, var(--green) 18%, transparent);background:#fff;transform:translateY(-2px)}.fullscreen-action:focus-visible{outline:3px solid color-mix(in srgb, var(--green) 48%, transparent);outline-offset:2px}.home{flex-direction:column;align-items:center;width:min(1120px,100% - 48px);min-height:100svh;margin:0 auto;padding:clamp(72px,9vh,96px) 0 86px;display:flex}.title-art{width:min(490px,56vw);height:auto}.category-tabs{z-index:2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff8c;border:1px solid #0e796424;border-radius:999px;gap:6px;margin-top:14px;padding:5px;display:flex;box-shadow:0 9px 30px #0c58480f}.category-tabs button{color:color-mix(in srgb, var(--green) 80%, #53605d);cursor:pointer;background:0 0;border:3px solid #fff8eef5;border-radius:999px;padding:8px 16px;font-size:13px;transition:color .16s,background .16s,box-shadow .16s}.category-tabs button.active{color:#fff;background:var(--green);box-shadow:0 6px 16px color-mix(in srgb, var(--green) 26%, transparent)}.category-tabs button:focus-visible{outline:2px solid var(--green);outline-offset:2px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3.8vw,54px);width:100%;margin-top:clamp(18px,4vh,44px);display:grid}.product-grid.count-2{grid-template-columns:repeat(2,minmax(0,1fr));max-width:690px}.product-grid.count-1{grid-template-columns:minmax(0,1fr);max-width:340px}.product-card{min-width:0;height:clamp(265px,36vw,350px);color:var(--green);cursor:pointer;background:0 0;border:0;padding:0;transition:transform .18s;position:relative}.product-card:hover{transform:translateY(-5px)}.product-card:focus-visible{outline-offset:8px;border-radius:28px;outline:3px solid #0e79648c}.product-pan{width:min(100%,264px);position:absolute;bottom:24px;left:50%;transform:translate(-50%)}.product-pack{z-index:1;object-fit:contain;filter:drop-shadow(0 18px 16px #085b4a21);max-width:88%;max-height:210px;animation:3.8s ease-in-out infinite product-breathe;position:absolute;bottom:92px;left:50%;transform:translate(-50%)}.product-pack.tall{max-height:225px}.product-pack.wide{width:90%}.product-pack.medium{max-height:218px}.product-pack.large{width:100%;max-width:310px;max-height:230px}.product-card-label{--card-label-top:#3eb19c;--card-label-mid:#36a891;--card-label-bottom:#2f9c88;--card-label-highlight:#91e0d0c7;--card-label-shadow:#15685933;--card-label-text-shadow:#106f5dd1;z-index:3;color:#fff;background:linear-gradient(180deg, var(--card-label-top) 0%, var(--card-label-mid) 48%, var(--card-label-bottom) 100%);min-width:154px;height:49px;box-shadow:inset 0 0 0 2px var(--card-label-highlight), 1px 6px 8px var(--card-label-shadow);letter-spacing:.02em;text-shadow:0 2px 1px var(--card-label-text-shadow);white-space:nowrap;border:2px solid #fffaf3fa;border-radius:13px;place-items:center;padding:0 16px 1px;font-size:21px;font-weight:800;line-height:1;display:grid;position:absolute;bottom:29px;left:50%;transform:translate(-50%)}.theme-blue .product-card-label{--card-label-top:#2fc4e3;--card-label-mid:#20b6d7;--card-label-bottom:#13a8cb;--card-label-highlight:#84e0f2cc;--card-label-shadow:#05708b33;--card-label-text-shadow:#047794d1}.theme-yellow .product-card-label{--card-label-top:#f3934d;--card-label-mid:#f18d44;--card-label-bottom:#ee8c43;--card-label-highlight:#ffd3abd1;--card-label-shadow:#5b361129;--card-label-text-shadow:#bf591ed1}.tap-hint{z-index:2;letter-spacing:.04em;opacity:0;white-space:nowrap;background:#ffffffd1;border-radius:999px;padding:5px 13px;font-size:12px;transition:opacity .18s,transform .18s;position:absolute;bottom:10px;left:50%;transform:translate(-50%,6px)}.product-card:hover .tap-hint,.product-card:focus-visible .tap-hint{opacity:1;transform:translate(-50%)}.guide{align-items:flex-start;width:min(530px,64vw);margin-top:auto;display:flex}.guide img:first-child{width:92px}.guide img:last-child{width:calc(100% - 92px);margin-top:24px}.legal{color:#0e7964;margin:0;font-size:12px;position:absolute;bottom:10px;right:14px}.theme-blue{--green:#357cac;--deep-green:#225e87}.theme-yellow{--green:#c3952f;--deep-green:#866119}.library-shell{background-position:50%;background-size:cover;min-height:100svh;overflow:hidden}.library-topbar{z-index:4;align-items:center;gap:18px;display:flex;position:absolute;top:30px;right:34px}.image-action{cursor:pointer;background:0 0;border:0;border-radius:0;place-items:center;width:85px;height:33px;padding:0;transition:transform .18s,filter .18s;display:grid}.image-action img{object-fit:contain;width:100%;height:100%;display:block}.image-action:hover{filter:brightness(1.03)drop-shadow(0 8px 14px #0b4c4024);transform:translateY(-2px)}.image-action:focus-visible{outline:3px solid color-mix(in srgb, var(--green) 50%, transparent);outline-offset:2px}.home-action{width:138px;height:54px}.library-layout{grid-template-columns:minmax(220px,290px) minmax(0,900px);justify-content:center;gap:clamp(24px,4vw,62px);width:min(1250px,100% - 56px);height:100svh;margin:0 auto;padding:112px 0 54px;display:grid}.product-aside{flex-direction:column;align-items:center;min-height:0;padding-top:4px;display:flex}.product-heading{border:4px solid color-mix(in srgb, var(--green) 62%, white);width:100%;min-height:72px;box-shadow:inset 0 0 0 2px #ffffff94, 0 2px 0 color-mix(in srgb, var(--green) 14%, transparent);background:#ffffff24;border-radius:10px;place-items:center;padding:9px 18px 10px;display:grid;position:relative}.product-heading h1{color:var(--green);letter-spacing:.02em;text-align:center;text-wrap:balance;white-space:nowrap;margin:0;padding:0;font-size:clamp(32px,3.4vw,44px);font-weight:700;line-height:1.08}.product-heading h1.compact{letter-spacing:0;font-size:clamp(27px,2.6vw,34px)}.aside-product{object-fit:contain;filter:drop-shadow(0 18px 22px #085b4a24);width:96%;height:210px;margin-top:14px}.aside-product.tall{height:245px}.aside-product.large{width:115%}.product-aside>p{border:1px solid color-mix(in srgb, var(--green) 16%, transparent);color:color-mix(in srgb, var(--green) 76%, #69706e);background:#ffffff8c;border-radius:999px;margin:20px 0 0;padding:8px 15px;font-size:13px}.product-aside>p strong{color:var(--green);font-size:16px}.browser-panel{-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);background:#ffffffab;border:1px solid #ffffffd6;border-radius:28px;flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden;box-shadow:0 24px 70px #0a51431f}.browser-header{border-bottom:1px solid color-mix(in srgb, var(--green) 10%, transparent);align-items:center;gap:18px;padding:16px 18px;display:flex}.breadcrumbs{white-space:nowrap;flex:1;align-items:center;min-width:0;display:flex;overflow:hidden}.breadcrumbs span{align-items:center;min-width:0;display:flex}.breadcrumbs b{color:color-mix(in srgb, var(--green) 28%, transparent);margin:0 6px;font-weight:400}.breadcrumbs button{max-width:170px;color:var(--green);text-overflow:ellipsis;cursor:pointer;background:0 0;border:0;padding:3px 2px;font-size:13px;overflow:hidden}.search-box{border:1px solid color-mix(in srgb, var(--green) 15%, transparent);background:#ffffffba;border-radius:999px;align-items:center;width:min(250px,38%);display:flex}.search-box:before{content:"⌕";color:var(--green);margin-left:13px;font-size:20px;line-height:1;transform:rotate(-20deg)}.search-box input{color:#264f47;background:0 0;border:0;outline:0;flex:1;min-width:0;padding:9px 8px;font-size:13px}.search-box input::placeholder{color:#7a9992}.search-box button{color:#73948c;cursor:pointer;background:0 0;border:0;width:30px;font-size:18px}.directory-title{justify-content:space-between;align-items:flex-end;padding:22px 26px 14px;display:flex}.directory-title span{color:#78968f;letter-spacing:.1em;font-size:11px}.directory-title h2{color:#1f554a;margin:4px 0 0;font-size:23px;font-weight:600;line-height:1.3}.theme-blue .directory-title h2{color:#264f6b}.theme-yellow .directory-title h2{color:#6f5420}.directory-title small{color:#78968f;font-size:12px}.file-list{scrollbar-color:color-mix(in srgb, var(--green) 24%, transparent) transparent;flex:1;min-height:0;padding:0 18px 22px;overflow-y:auto}.file-row{border:1px solid color-mix(in srgb, var(--green) 10%, transparent);color:#234d45;text-align:left;cursor:pointer;background:#ffffffc7;border-radius:18px;align-items:center;gap:16px;width:100%;min-height:78px;margin-top:10px;padding:12px 18px;transition:transform .16s,border-color .16s,box-shadow .16s;display:flex;box-shadow:0 8px 24px #14433b0a}.file-row:hover{border-color:color-mix(in srgb, var(--green) 28%, transparent);transform:translateY(-2px);box-shadow:0 12px 28px #14433b14}.file-row:focus-visible{outline:3px solid color-mix(in srgb, var(--green) 36%, transparent);outline-offset:2px}.file-row>img{object-fit:contain;flex:none;width:50px;height:50px}.file-row.directory>img{width:48px}.file-copy{flex:1;min-width:0}.file-copy strong{color:#24564c;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;line-height:1.45;display:block;overflow:hidden}.theme-blue .file-copy strong{color:#265675}.theme-yellow .file-copy strong{color:#725927}.file-copy small{color:#829690;text-overflow:ellipsis;white-space:nowrap;margin-top:5px;font-size:11px;display:block;overflow:hidden}.file-meta{min-width:52px;color:var(--green);letter-spacing:.06em;flex-direction:column;align-items:flex-end;font-size:11px;font-weight:700;display:flex}.file-meta small{color:#91a09c;letter-spacing:0;margin-top:6px;font-size:10px;font-weight:400}.chevron{color:color-mix(in srgb, var(--green) 52%, transparent);font-size:32px;font-weight:200}.empty-state{color:#6f8d86;text-align:center;place-content:center;min-height:260px;display:grid}.empty-state span{color:#325f55;font-size:17px}.empty-state p{margin:8px 0 0;font-size:12px}.preview-layer{z-index:20;background:#e8eeee;flex-direction:column;animation:.19s ease-out preview-enter;display:flex;position:fixed;inset:0}.preview-toolbar{background:#fffffff5;border-bottom:1px solid #d7e0de;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;min-height:72px;padding:10px 18px;display:grid}.round-action{color:#467069;cursor:pointer;background:#fff;border:1px solid #d5e0dd;border-radius:50%;place-items:center;width:42px;height:42px;font-size:26px;line-height:1;display:grid}.preview-title{min-width:0}.preview-title strong{color:#244d46;text-overflow:ellipsis;white-space:nowrap;font-size:14px;display:block;overflow:hidden}.preview-title span{color:#7b908b;margin-top:4px;font-size:10px;display:block}.preview-actions{align-items:center;gap:10px;display:flex}.preview-fullscreen-action{min-width:82px;height:38px;box-shadow:none}.download-action,.office-fallback a{color:#fff;background:var(--green);box-shadow:0 7px 18px color-mix(in srgb, var(--green) 25%, transparent);border-radius:999px;padding:10px 16px;font-size:13px;text-decoration:none}.catalog-status{border:1px solid color-mix(in srgb, var(--green) 18%, transparent);color:var(--green);white-space:nowrap;border-radius:999px;padding:7px 12px;font-size:11px}.pdf-reader{touch-action:none;background:#1d2322;flex:1;width:100%;min-height:0;display:grid;position:relative;overflow:hidden}.embedpdf-viewer,.embedpdf-viewer>embedpdf-container{width:100%;min-width:0;height:100%;min-height:0;display:block}.pdf-loading{z-index:30;color:#eef7f5;text-align:center;background:radial-gradient(circle at 50% 46%,#42756c33,#0000 34%),#1d2523;flex-direction:column;justify-content:center;align-items:center;padding:32px;display:flex;position:absolute;inset:0}.pdf-loading strong{margin-top:18px;font-size:17px;font-weight:600}.pdf-loading p{color:#eef7f5ad;margin:10px 0 0;font-size:12px}.pdf-loading-spinner{border:4px solid #ffffff21;border-top-color:#59ccb4;border-radius:50%;width:54px;height:54px;animation:.8s linear infinite pdf-loading-spin}.pdf-loading-track{background:#ffffff1f;border-radius:999px;width:min(320px,70vw);height:7px;margin-top:20px;overflow:hidden;box-shadow:inset 0 1px 2px #00000038}.pdf-loading-track span{border-radius:inherit;background:linear-gradient(90deg,#2eb49a,#70dcc6);width:0;height:100%;transition:width .16s ease-out;display:block;box-shadow:0 0 16px #4bd2b74d}.pdf-loading-track.indeterminate span{width:38%;animation:1.2s ease-in-out infinite pdf-loading-indeterminate}.pdf-loading-error{color:#ffc5b8;border:2px solid #ec9e8c;border-radius:50%;place-items:center;width:52px;height:52px;font-size:27px;display:grid}.pdf-loading.error strong{color:#fff5f2}.pdf-loading.error button{color:#fff;cursor:pointer;background:#168c76;border:0;border-radius:999px;margin-top:20px;padding:10px 20px;box-shadow:0 8px 22px #0000003d}.pdf-loading.error button:focus-visible{outline-offset:3px;outline:2px solid #84e3d1}.pdf-reader-controls{z-index:20;color:#f7fbfa;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#131b19d6;border:1px solid #ffffff26;border-radius:18px;align-items:center;gap:5px;min-height:54px;padding:5px 7px;display:flex;position:absolute;bottom:18px;left:50%;transform:translate(-50%);box-shadow:0 14px 36px #00000052}.pdf-reader-controls button{min-width:44px;height:44px;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:12px;place-items:center;padding:0 12px;font-size:24px;line-height:1;transition:background .18s,opacity .18s,transform .18s;display:grid}.pdf-reader-controls button:hover:not(:disabled){background:#ffffff21}.pdf-reader-controls button:active:not(:disabled){transform:scale(.94)}.pdf-reader-controls button:focus-visible{outline-offset:-2px;outline:2px solid #66d6bf}.pdf-reader-controls button:disabled{opacity:.32;cursor:default}.pdf-reader-controls .pdf-fit-page{white-space:nowrap;min-width:auto;font-size:12px}.pdf-page-count{font-variant-numeric:tabular-nums;text-align:center;min-width:66px;padding-inline:4px;font-size:13px}.pdf-control-divider{background:#ffffff2e;width:1px;height:24px;margin-inline:3px}.pdf-zoom-level{color:#ffffffb8;font-variant-numeric:tabular-nums;text-align:right;min-width:42px;padding-right:5px;font-size:11px}.image-preview{background:#202725;flex:1;place-items:center;min-height:0;padding:28px;display:grid;overflow:auto}.image-preview img{object-fit:contain;max-width:100%;max-height:100%;display:block;box-shadow:0 24px 64px #00000061}.video-preview{background:#161c1b;flex:1;place-items:center;min-height:0;padding:clamp(12px,3vw,32px);display:grid}.video-preview video{object-fit:contain;background:#000;border-radius:14px;width:min(100%,1280px);max-height:100%;display:block;box-shadow:0 24px 72px #00000073}.office-fallback{color:#52726c;text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:28px;display:flex}.office-fallback img{width:92px}.office-fallback h2{color:#254f47;margin:18px 0 6px}.office-fallback p{max-width:460px;margin:0 0 22px;font-size:13px;line-height:1.7}.office-fallback button{color:#fff;background:var(--green);cursor:pointer;border:0;border-radius:999px;padding:10px 18px}@keyframes preview-enter{0%{opacity:0;transform:translateY(8px)}}@keyframes pdf-loading-spin{to{transform:rotate(360deg)}}@keyframes pdf-loading-indeterminate{0%{transform:translate(-110%)}to{transform:translate(280%)}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes product-breathe{0%,to{opacity:1;transform:translate(-50%)scale(1)}50%{opacity:.82;transform:translate(-50%)scale(.94)}}@media (width<=720px){.site-shell{overflow:auto}.home{width:min(100% - 28px,520px);padding-top:88px}.title-art{width:min(420px,88vw)}.product-grid{grid-template-columns:1fr;gap:0;margin-top:14px}.product-grid.count-2,.product-grid.count-1{grid-template-columns:1fr}.product-card{height:285px}.category-tabs{border-radius:18px;max-width:100%;overflow-x:auto}.category-tabs button{flex:none;padding-inline:13px}.guide{width:min(460px,96%);margin-top:24px}.legal{text-align:center;padding:0 18px 14px;line-height:1.6;position:relative;bottom:auto;right:auto}.library-shell{overflow:auto}.home-topbar{top:20px;right:16px}.library-topbar{gap:9px;top:22px;right:18px}.fullscreen-action{width:42px;min-width:42px;height:38px;padding:0}.fullscreen-action b{display:none}.library-layout{width:min(100% - 24px,640px);height:auto;min-height:100svh;padding:98px 0 66px;display:block}.product-aside{grid-template-rows:auto auto;grid-template-columns:110px 1fr;align-items:center;padding:0 12px 16px;display:grid}.product-heading{border-width:3px;grid-column:2;min-height:58px;padding:7px 12px 8px}.product-heading h1{font-size:30px;line-height:1.05}.product-heading h1.compact{font-size:clamp(23px,6.2vw,29px)}.aside-product{grid-row:1/3;width:100%;margin:0;height:104px!important}.product-aside>p{grid-column:2;justify-self:center;margin:4px 0 0}.browser-panel{border-radius:22px;min-height:66svh}.browser-header{flex-direction:column-reverse;align-items:stretch;gap:11px;padding:14px}.search-box{width:100%}.breadcrumbs{overflow-x:auto}.directory-title{padding:18px 18px 10px}.directory-title h2{font-size:19px}.file-list{padding:0 10px 16px}.file-row{border-radius:15px;gap:11px;min-height:72px;margin-top:8px;padding:10px 12px}.file-row>img{width:42px;height:42px}.file-copy strong{font-size:13px}.preview-toolbar{gap:10px;padding-inline:10px}.preview-actions{gap:7px}.download-action{padding:9px 12px;font-size:11px}.pdf-reader{min-height:420px}.pdf-reader-controls{gap:2px;max-width:calc(100% - 20px);bottom:12px}.pdf-reader-controls button{min-width:40px;height:42px;padding-inline:10px}.pdf-reader-controls .pdf-fit-page,.pdf-zoom-level{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}